chore(deps): update dependency all-contributors-cli to v6.20.0

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
all-contributors-cli	6.19.0 -> 6.20.0

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Release Notes

all-contributors/all-contributors-cli

### [`v6.20.0`](https://togithub.com/all-contributors/all-contributors-cli/releases/v6.20.0) [Compare Source](https://togithub.com/all-contributors/all-contributors-cli/compare/v6.19.0...v6.20.0) ##### Features - add namespaced token ([#​296](https://togithub.com/all-contributors/all-contributors-cli/issues/296)) ([a8227af](https://togithub.com/all-contributors/all-contributors-cli/commit/a8227af31c22577f434a42fcf8d81dbc01eaf822)), closes [#​294](https://togithub.com/all-contributors/all-contributors-cli/issues/294)

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